Home / 14,517.15-21,753.65-6,615.06

Finding the Fourth Proportional to 14,517.15, 21,753.65 and 6,615.06

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Solution

The fourth proportional to 14,517.15, 21,753.65 and 6,615.06 is: 9,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.15 : 21,753.65 = 6,615.06 : x
  2. Step 2: Convert to fraction form
    14,517.15/21,753.65 = 6,615.06/x
  3. Step 3: Cross multiply
    14,517.15x = 21,753.65 × 6,615.06
  4. Step 4: Simplify right side
    14,517.15x = 143,901,666.89
  5. Step 5: Solve for x
    x = 143,901,666.89/14,517.15
  6. Step 6: Final answer
    x = 9,912.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.